We've been promised airless, puncture-proof tires for-bloody-ever by this point. But pump-haters, your time is arriving: starting next week, a factory in Piedmont, SC is going to start pumping them out.

Are we really just nine years away from cars that weigh half a ton, with super-efficient nano-paper batteries and pedestrian airbags? It may seem like fairy-tale tech, but one auto design whiz-kid thinks it's realistic. Australian Harsha Ravi won the Young Designer of the Year award for his far-out Globetrotter 2017…